Trout Enemies

Trout natural predators
Trout are predatory fishes, which means they hunt other animals to feed themselves. However like other animals, trout has natural enemies which hunt them and eat them. But we should remember this, the biggest enemy of trout is not their natural predators but us. We build the dam and waist our water supply and this will bring mass destruction to trouts.
WaterKingfishers[source-http://creagrus.home.montereybay.com/water_kingfishers.html]-These birds specialize in hunting fish. There are roughly 90 species of kingfisher. All have large heads, long, sharp, pointed bills, short legs, and stubby tails. They are found throughout the world. They live in woodland and wetland habitats. Kingfishers live near water to hunt small fish by diving, and they also eat crayfish, frogs and insects. They kill their prey by smashing them into a tree or dropping a stone on them. They have sharp vision and can see well in the water to hunt down their prey.
Garter snakes[source-http://www.umass.edu/nrec/snake_pit/pages/cgarter.html]-They are the most common of all New England snakes. They occupy a variety of habitats including ponds and stream edges, wetlands, forests, fields, rocky hillsides and residential areas. Although their prime prey are amphibians and earthworms, they can hunt small animals such as mice and fish. They can quickly kill their prey by biting with their fangs which contain toxins.

Ospreys[source-http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/Osprey.html]-They are one of the largest birds of prey in North America, and they are one of the most widespread birds in the world, found on all continents except Antarctica. They readily builds its nest on man made structures, such as telephone poles, channel markers, duck blinds, and nest platforms designed especially for it. Their prime prey is fish and fish contains 99% of their diets. When they catch the fish, they grab the head first and carry it to make it as aerodynamic as possible.
Dragonfly Nymphs[source-http://www.bugsurvey.nsw.gov.au/html/popups/bpedia_08_tol_dr-ny-a.html]-They are teenage form of dragonflies, before they change into the adults. They live on plants, among stones, leaf litter, or at the bottom of ponds or slow-flowing river. They are lone predators and they usually feed other water insects and sometimes they can cannibalize each other. Large dragon nymphs can hunt and feed small fishes and tadpoles. They catch their food with a toothed lower lip that is usually folded under the head. When their prey comes near, the nymph will shoot out its lower lip to grab it, faster than most prey can react. The lip will be pulled back with prey to the waiting mouth and feeding begins.
Giant Water Bugs[source-http://www.eduwebs.org/bugs/giant_water_bug.htm]-They are one of the largest insects in the U.S and Canada. Many of them grow 1.5 inches but some of the large species can grow up to 40 inches. They live in clear, freshwater streams and ponds preferring those with aquatic vegetation. Their diets were various, small ones hunt invertebrates. Adults meanwhile hunt large insects and invertebrates. Sometimes they can hunt vertebrates such as tadpoles, salamanders, small fishes and small frogs. When they hunt, they lye motionless and waiting their preys. When preys came near to them, they use giant clawed front feet to hold them and sucks their liquid by injecting their stinging mouth.
Lampreys[source-http://www.adfg.state.ak.us/pubs/notebook/fish/lampreys.php]They are belong to the fish family called Agnatha which evolutionists believe they are oldest family of animals. There are 40 different types of lampreys,they are eel like fish that are elongate,cylinder bodies. However they are distinguished with eel by having large circle mouth which has full of small teeth. They can live in fresh water or seas. There are two kinds of Lampreys. Some of them are parasitic, others are non-parasitic. Parasitic lampreys feed on small fish and large marine mammals. They use their sharp teeth to cut through hosts' skins and scales to suck their blood and body fluid.
Mudpuppy[source-http://animals.nationalgeographic.com/animals/amphibians/mudpuppy.html}-:They are also called waterdogs. They are one of the largest salamanders in the world can grow up to 16 inches. They can be found in USA and Canada. They were named as waterdogs because their squeaky vocalizations sound like dogs. They live on the bottoms of the lakes, ponds, river and streams. In addition they never leave the water. They usually eat crayfish, worms and snails but sometimes they can hunt down large preys such as frogs and trouts. They can easily distinguished by their bushy red gills
Alligator snapping turtles[source-http://animals.nationalgeographic.com/animals/reptiles/alligator-snapping-turtle.html]--They are the largest fresh water turtle in the world, they can be found in rivers, canals, and lakes of the southeastern United States. They live in 50 to 100 years, and they grow up to 26 inches long and weigh about 175 pounds. They do not leave the water for their whole lives. They are lone predators and they can catch small frogs to large fish such as trouts. They have unique techniques to hunt down their prey. They sat motionless in the water and stick out bright red tongues which look like worms and lured frogs and fish to their mouth. When they come close enough they shut their mouth quickly and swallow their prey whole.
Crayfish[source-http://www.anapsid.org/crayfish.html]-They are 150 species in USA and 540 species over the world. They are same families as crab and shrimps which mean they are crustaceans. Most of them are red but some of them are brown, yellow or black. Most of them grow up to 6 inches but some of large species can grow much larger. Most of crayfish are aquatic but some of them can live in the land. They have various diets, they eat small fishes and insects also the mosses in the water